package practice3;

import java.util.Scanner;

public class P8781 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        for(int i=1;i<=n;i++){
            if(i<=n/2){
                //算到右端再来回的距离
                System.out.println((n-i)*2);
            }else{
                //算到左端再来回的距离
                System.out.println((i-1)*2);
            }
        }
    }
}
